427346497 has 4 divisors (see below), whose sum is σ = 430608816. Its totient is φ = 424084180.

The previous prime is 427346483. The next prime is 427346519. The reversal of 427346497 is 794643724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427346497 - 2⁷ = 427346369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427346467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630963 + ... + 1631224.

It is an arithmetic number, because the mean of its divisors is an integer number (107652204).

Almost surely, 2^427346497 is an apocalyptic number.

It is an amenable number.

427346497 is a deficient number, since it is larger than the sum of its proper divisors (3262319).

427346497 is a wasteful number, since it uses less digits than its factorization.

427346497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262318.

The product of its digits is 1016064, while the sum is 46.

The square root of 427346497 is about 20672.3607021549. The cubic root of 427346497 is about 753.2284514536.

The spelling of 427346497 in words is "four hundred twenty-seven million, three hundred forty-six thousand, four hundred ninety-seven".